Why are parvoviruses a highly impactful parasite?,Because they have no nucleic acid,They require a helper virus,Only replicate in dividing cells,Can integrate into host chromosomes,A
Which of the following is a morphological characteristic of the paramyxoviruses.,Fragile viruses often visualised with RNA spewing from the inside,Elongate viruses,Icosahedral viruses with envelope,Very large viruses,A
A key factor facilitating the application of nested case-control studies from the MACS was:,Data collection,Establishment of a repository of biologic specimens,Participant interest,Administration of the questionnaire by staff,B
The most important goal of a behavioral intervention is:,Change in behavior,Comprehensive coverage,Effective use of behavioral theory,Sustained behavior change,D
The median survival time to AIDS and death was established by following:,Seroprevalent HIV-infected individuals,Seronegatives,Seroconverters,High-risk seronegatives,C